Tapanya, T., Boonkiticharoen, V., & Phaisangittisakul, N. (2015). Monte Carlo Multiple-source Model for 6 mV Photon Beams from Varian Clinac iX Linear Accelerator. Ramathibodi Medical Journal, 38(2), 100–110. Retrieved from https://he02.tci-thaijo.org/index.php/ramajournal/article/view/95903